Samuel Langley

Samuel Langley
Langley, circa 1895
3rd Secretary of the Smithsonian Institution
In office
1887–1906
Preceded bySpencer Fullerton Baird
Succeeded byCharles Doolittle Walcott
Personal details
Born(1834-08-22)August 22, 1834
Roxbury, Massachusetts, U.S.
DiedFebruary 27, 1906(1906-02-27) (aged 71)
Aiken, South Carolina, U.S.
Known forSolar physics
AwardsRumford Medal (1886)
Henry Draper Medal (1886)
Janssen Medal (1893)[1][2]
Signature

Samuel Pierpont Langley (August 22, 1834 – February 27, 1906) was an American aviation pioneer, astronomer and physicist who invented the bolometer. He was the third secretary of the Smithsonian Institution and a professor of astronomy at the University of Pittsburgh, where he was the director of the Allegheny Observatory.

  1. ^ (France), Académie des Sciences (1894). "Tableaux des prix décernés". Comptes rendus hebdomadaires des séances de l'Académie des sciences. Vol. 117. p. 1006. (The French Academy awarded the 1893 prizes on 18 December 1893.)
  2. ^ "Science Prizes". American Naturalist. Vol. 28. U. of Chicago Press. 1894. p. 290.